body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fcfcfc;
}

header {
    margin-bottom: 30px;
}

.site-title h1 {
    margin-bottom: 10px;
    color: #111;
}

/* Navigation Bar */
.nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    background-color: #2c3e50;
    border-radius: 5px;
}

.nav-links li {
    padding: 10px 15px;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
}

.nav-links a:hover {
    color: #3498db;
}

/* App Portfolio Cards */
.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.app-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.app-image {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    margin-bottom: 15px;
    border: 1px solid #eee;
}

.button {
    display: inline-block;
    background: #2c3e50;
    color: white;
    padding: 8px 15px;
    border-radius: 4px;
    margin-top: 10px;
    text-decoration: none;
}

.button:hover {
    background: #3498db;
    color: white;
}